<em>GestureRecognizerState</em> v = 		<s>recognizer</s>.<b>state</b> 				<em>// </em>
<em>Object</em> v = 					<s>recognizer</s>.<b>debugOwner</b> 		<em>// </em>
<em>Duration</em> v =					<s>recognizer</s>.<b>deadline</b> 			<em>// 点击一次，花费时长</em>
<em>String</em> v = 					<s>recognizer</s>.<b>debugDescription</b> 	<em>// 返回监听事件类型 => tap</em>
<em>String</em> v = 					<s>recognizer</s>.<b>initialPosition</b> 		<em>// 偏低位置 => OffsetPair(local: Offset(65.0, 40.0), global: Offset(55.0, 86.0))</em>
<em>int</em> v = 						<s>recognizer</s>.<b>primaryPointer</b> 		<em>// 点击次数 => 1、2、3...</em>